* A word about using {@link Equivalence}, which automatically checks for {@code null} and
   * identical inputs: This sounds like it ought to be a problem here, since the goals of this class
   * include testing that {@code equals()} is reflexive and is tolerant of {@code null}. However,
   * there's no problem. The reason: {@link EqualsTester} tests {@code null} and identical inputs
   * directly against {@code equals()} rather than through the {@code Equivalence}.

    }

    // Demonstrates observed equals() asymmetry when this is shorter than argument
    @Test
    @DisplayName("equals: this shorter but same prefix -> true (observed behavior)")
    void equals_thisShorterSamePrefix_true_dueToImplementation() {
        // Arrange: left shorter than right but with identical prefix

    }

    /**
     * Finish building an instance which also maps {@code x = x2} to {@code y = y2}. These values
     * must not both be identical to the values given in the first mapping. If only the {@code x}
     * values are identical, the transformation is vertical. If only the {@code y} values are
     * identical, the transformation is horizontal (i.e. the slope is zero).
     */
    public LinearTransformation and(double x2, double y2) {

import java.util.Collection;
import java.util.Set;
import org.jspecify.annotations.NullUnmarked;

/**
 * Variant of {@link SerializableTester} that does not require the reserialized object's class to be
 * identical to the original.
 *
 * @author Chris Povirk
 */
/*
 * The whole thing is really @GwtIncompatible, but GwtJUnitConvertedTestModule doesn't have a

            assertArrayEquals(firstEncoding, secondEncoding, "First and second encoding should be identical");
            assertArrayEquals(secondEncoding, thirdEncoding, "Second and third encoding should be identical");

            // Verify content preservation
            assertArrayEquals(mechs, parsed2.getMechanisms());
            assertEquals(flags, parsed2.getContextFlags());

                .withTest(actual)
                .ignoreComments()
                .ignoreWhitespace()
                .build();
        assertFalse(diff.hasDifferences(), "XML files should be identical: " + diff.toString());
    }

    @Test
    void testModulePathNotArtifactId() throws IOException {
        Model parent = getModel("module-path-not-artifactId-parent");

	    the same array length.</li>

	<li>Two slice types are identical if they have identical element types.</li>

	<li>Two struct types are identical if they have the same sequence of fields,
	    and if corresponding pairs of fields have the same names, identical types,
	    and identical tags, and are either both embedded or both not embedded.

                .withTest(tempFile.toFile())
                .ignoreComments()
                .ignoreWhitespace()
                .build();
        assertFalse(diff.hasDifferences(), "XML files should be identical: " + diff.toString());
    }

    @Test
    void transformJarConsumerPom() throws Exception {
        RepositorySystemSession systemSessionMock = Mockito.mock(RepositorySystemSession.class);

 * <li>Project A: weight = 3 (1 + max(B=2, C=2))</li>
 * </ul>
 * <p>Build order: A (weight=3), then B and C (weight=2, ordered by project ID), then D (weight=1)
 * <p>If projects have identical weights and IDs, the order is deterministic but may not preserve
 * the original declaration order.
 *
 * @since 4.0.0
 */
public class SmartProjectComparator {

/// tip